τρί-στοιχος,ον,
A. in three rows,
ὀδόντες
Od. 12.91
, Ctes. ap. Arist. HA 501a27 ; κριθαί
Thphr. HP 8.4.2
;equipped with three rows(of teeth), χείλεα
Opp. C. 3.413
.
II. threefold, triple, μαστός, βόθρος,
AP 9.668.5 ( Marian. ), Orph. A. 951 ;τ. κεφαλαί,of Cerberus, Hermesian. 7.12 .